Brand originChina
Supported
Supported
Dahua VTH2421FB-P-S2/VTH2421FW-P-S2
Category
Intercom
First seen by Awernica
Oct 2026
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Software Support
Not specified
No published date
Replacement
Not specified
No verified replacement
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Specifications
From the manufacturer's product information.
System
- Main Processor
- Embedded Processor
- Operating System
- Embedded Linux
- Network Protocol
- IPv4;RTSP;UDP;DNS;FTP;RTP;TCP;SIP
- Interoperability
- ONVIF
Basic
- Screen Type
- Capacitive Touchscreen
- Display Screen
- 7-inch display screen
- Screen Resolution
- 1024 (H) × 600 (V)
- Audio Compression
- G.711a; G.711u; PCM
- Audio Input
- 1 channel
- Audio Output
- Built-in speaker
- Audio Mode
- Two-way audio
- Audio Enhancement
- Echo suppression/digital noise reduction
- Audio Bit Rate
- 16 kHz, 16 bit
- Video Compression
- H.264
Function
- Communication Mode
- Full digital
- Information Release
- Receive and view text information released by the management center
- Elevator Control
- You can control the elevator through the indoor monitor
- Leave Videos
- Yes (SD card is inserted in the indoor monitor or door station)
- DND Mode
- Yes
- Number of Extensions
- Villa: 9 extensions;; Apartment: 4 extensions
- Storage
- Built-in 8 GB Micro SD card, maximum memory capacity 512 GB
Port
- Alarm Input
- 6 channels
- Alarm Output
- 1 channel
- Doorbell
- Yes (use the alarm input port)
- Network Port
- One 10 Mbps/100 Mbps Ethernet port
Alarm
- SOS Alarm
- Yes
Performance
- Casing Material
- PC + ABS
General
- Appearance Color
- Black
- Power Supply
- 12 VDC, 1 A;; Standard PoE
- Power Adapter
- Optional
- Installation
- Surface Mount
- Certifications
- CE
- Accessory
- Included: bracket and alarm cable.
- Product Dimensions
- 221.5 mm × 119.6 mm × 23.5 mm(8.72" × 4.71" × 0.93") (L × W × H)
- Operating Temperature
- –10 °C to +55 °C (+14 °F to +131 °F)
- Operating Humidity
- 10%–95% (RH), non-condensing
- Operating Altitude
- ≤3,000 m (9,842.52 ft)
- Power Consumption
- ≤3 W (standby), ≤7 W (working)
- Gross Weight
- 0.661 kg (1.46 lb)
- Storage Temperature
- 0 °C to +40 °C (+32 °F to +104 °F)
- Storage Humidity
- 30%–75%
- Operating Environment
- Indoor
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